Key result
Non-exercise HRmax equations for pediatric endurance athletes explain only ~4% of variance.
Why the study?
Maximal heart rate confirms maximal effort during CPET, but reference equations for age-predicted maximal heart rate have not yet been established for pediatric endurance athletes.
Can a non-exercise reference equation based on demographic variables accurately predict maximal heart rate in pediatric endurance athletes?
Population
1338 healthy recreational pediatric endurance athletes performing cycling CPET
Design
Retrospective cross-sectional study
Authors
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Age does not significantly predict HRmax in pediatric endurance athletes; leaves open validation of weight- and sex-adjusted equations.
Cross-Sectional (n=1,241)
Can a non-exercise reference equation based on demographic variables accurately predict maximal heart rate in pediatric endurance athletes?
Effect estimate: R2 0.039
p-value: p=<0.001
A newly developed reference equation for maximal heart rate in pediatric endurance athletes incorporates age, weight, and sex, but its low predictive accuracy suggests limited clinical utility beyond confirming maximal effort during CPET.
Kasiak et al. (2026) conducted a cross-sectional in Healthy recreational pediatric endurance athletes (n=1,241). Demographic factors (age, weight, sex) was evaluated on Maximal heart rate (HRmax) prediction model (R2 0.039, p=<0.001). A non-exercise reference equation for maximal heart rate in pediatric endurance athletes incorporating age, weight, and sex was significant but explained only 3.9% of the variance (P<0.001).
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